#include "B.h"
#include <iostream>
using namespace std;

B::B(int _b1, int _b2): a1(1), a2(2){
        b1 = _b1;
        b2 = _b2;
}

B::B(int _b1, int _b2, int m , int n):a1(m),a2(n){
        b1 = _b1;
        b2 = _b2;
        cout<<"B的构造函数"<<endl;
}

B::~B(){
        cout<<"B的析够函数"<<endl;
}